.form-line {
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    margin-bottom: 10px;
}

.form-line .label {
    width: 80px;
    /*span标签没有宽度，需要设置为inline-block*/
    display: inline-block;
    text-align: center;
}

/*input是不能继承父标签的属性的*/
.form-line .input {
    height: 25px;
    line-height: 25px;
    font-size: 14px;
    width: 200px;
}